DMZ1015E/DMX1015E
Ultrahigh Threshold Voltage Depletion-Mode Power MOSFET
General Features
ESD Improved Capability
Depletion Mode (Normally On)
Proprietary Advanced Planar Technology
Proprietary Advanced Ultrahigh Vth Technology
RoHS Compliant
Halogen-free Available
SOT-89
SOT-23
D
Applications
D
D
S
G
G
Quick Charger
Current Source
Voltage Source
D
G
S
S
General Description
This novel depletion mode MOSFET, developed and manufactured by ARK proprietary ultrahigh threshold
voltage technology. By using the sub threshold characteristics, the depletion mode MOSFET can provide stably
power to the load, and the voltage can be clamped to protect the load without Zener diode, and the circuit
consumption is reduced.
Ordering Information
Part Number
Package
Marking
Remark
DMZ1015E
SOT-23
1015
Halogen Free
DMX1015E
SOT-89
1015
Halogen Free
Absolute Maximum Ratings
Symbol
TA=25℃ unless otherwise specified
Parameter
VDSX
Drain-to-Source Voltage
ID
Continuous Drain Current
Pulsed Drain Current
PD
Power Dissipation
VGS
Gate-to-Source Voltage
TL
TJ and TSTG
DMX1015E
100
Unit
V
0.1
[2]
IDM
VESD
DMZ1015E
[1]
A
0.4
0.5
1.0
W
±30
V
[3]
700
V
Source to Gate ESD[3]
700
V
Soldering Temperature
Distance of 1.6mm from case for 10 seconds
300
Gate to Source ESD
Operating and Storage Temperature Range
℃
-55 to 150
Caution: Stresses greater than those listed in the “Absolute Maximum Ratings” may cause permanent damage to the device.
Thermal Characteristics
Symbol
RθJA
Parameter
DMZ1015E
DMX1015E
Unit
250
125
K/W
Thermal Resistance, Junction-to-Ambient
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DMZ1015E/DMX1015E
Electrical Characteristics
OFF Characteristics
Symbol
BVDSX
IGSS
TA =25℃ unless otherwise specified
Parameter
Drain-to-Source Breakdown Voltage
Min.
Typ.
Max.
Unit
Test Conditions
100
--
--
V
VGS=-30V, ID=1mA
--
--
20
Gate-to-Source Leakage Current
--
--
-20
ON Characteristics
Symbol
IDSS
VGS=+30V, VDS=0V
µA
VGS=-30V, VDS=0V
TA =25℃ unless otherwise specified
Parameter
Saturated Drain-to-Source Current
Min.
Typ.
Max.
Unit
Test Conditions
100
--
--
mA
VGS=0V, VDS=25V
RDS(ON)
Static Drain-to-Source On-Resistance
--
--
30
Ω
VGS=0V,ID=100mA[4]
VGS(OFF)
Gate-to-Source Cut-off Voltage
--
--
-27
V
VDS=9V, ID=8µA
VCL
Source-to-Gate Clamp Voltage
11.5
--
--
V
VDS=9V, ID=5mA
Source-Drain Diode Characteristics
Symbol
VSD
Parameter
Diode Forward Voltage
TA=25℃ unless otherwise specified
Min
Typ.
Max.
Units
Test Conditions
--
--
1.2
V
ISD=100mA, VGS=-30V
NOTE:
[1] TJ=+25℃ to +150℃
[2] Repetitive rating, pulse width limited by maximum junction temperature.
[3] The test is based on JEDEC EIA/JESD22-A114 (HBM).
[4] Pulse width≤380µs; duty cycle≤2%.
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DMZ1015E/DMX1015E
Typical and highlight Characteristics
DMZ1015E/ DMX1015E is an ultra-high threshold voltage depletion mode MOS device. A stable output voltage
source or current source is implemented by using the sub-threshold characteristics of the device. Its basic
application is shown as Figure 1:
DMZ1015E/DMX1015E
S
Vout +
Vin+
D
G
RL
Vout -
Vin-
Figure1. Drain Current ID is decided by Load Resistance
Figure 2. Clamp Voltage vs. Input
Voltage
20
Vin=40V
VCL, Clamp Voltage (V)
VCL, Clamp Voltage (V)
20
Figure 3. Clamp Voltage vs. Drain
Current
18
15
16
10
RL=2kΩ
14
5
12
10
0
0
20
40
60
80
Vin, Input Voltage(V)
100
1000
ID, Drain Current(uA)
Figure 4. Clamp Voltage vs. Junction
Temperature
16
15
VCL, Clamp Voltage (V)
10
100
ID=5mA
14
13
12
11
10
9
8
-20
0
20
40
60
80
100
TJ, Junction Tempreature(℃)
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DMZ1015E/DMX1015E
Typical Application
In the QC2.0/3.0 and Type-C/PD charger circuits, using DMZ1015E/DMX1015E as a high voltage linear
regulagors can make the PWM IC power supply circuit more simplified, as shown below:
In Figure 5, the transistor Q is used to provide power, and the zener diode Z is used to clamp voltage, the power
supply circuit of IC is composed of several components.
+
DMZ6005E
PD controller
Synchronous
rectifier IC
Q
VCC
PWM IC
Z
Figure 5. Normal Circuit with Transistor and Diode
In Figure 6, providing power and clamp voltage use only one device- DMZ1015E /DMX1015E, the circuit is
simplified.
+
DMZ6005E
PD controller
DMZ1015E
/DMX1015E
Synchronous
rectifier IC
VCC
PWM IC
-
Figure 6. Circuit with DMZ1015E/DMX1015E
At room temperature and under 2~4mA working current (most IC’s working current), the output voltage of
DMZ1015E/DMX1015E is between 12~22V.
Due to strict design and process control,DMZ1015E/DMX1015E parameters have good consistency, but there are
still some VGS(OFF) parameter distribution range, so we strictly control the final testing standard, the upper limit is
∣VGS(OFF)∣=27V (under normal temperature ID=8μA), the lower limit is VCL=11.5V of clamping voltage ( under
room temperature ID =5mA), so as to ensure under normal working condition and the working current
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DMZ1015E/DMX1015E
8μA≤ID≤5mA, the clamping voltage: 11.5V≤VCL≤27V. Figure 7 shows the clamping voltage VCL lower limit of
11.5V and the threshold voltage VGS(OFF) upper limit of VGS(OFF) =-27V, and the clamping working voltage
distribution when the working current does not exceed 5mA.
Figure 7. Clamp Voltage vs. Drain Current
Vin=40V
VCL, Clamp Voltage (V)
26
22
VGS(OFF)=-27V (@ID=8μA)
18
VCL=11.5V(@ID=5mA)
14
10
10
100
1000
ID, Drain Current(μA)
The clamping voltage will also change with the temperature. When the working temperature increases, the
clamping voltage will increase; when the working temperature decreases, the clamping voltage will also decrease.
Figure 8. Clamp Voltage vs. Junction Temperature
VCL, Clamp Voltage (V)
28
ID=5mA
24
20
VGS(OFF)=-27V (@ID=8μA)
16
VCL=11.5V(@ID=5mA)
12
8
-20
0
20
40
60
TJ, Junction Tempreature(℃)
80
100
As shown in Figure 8, in the practical application of DMZ1015E/DMX1015E, with the increase of device
temperature, its output voltage will also increase, and the drain-source voltage will decrease, so that the device's
power consumption will also decrease. In this way, the temperature of DMZ1015E/DMX1015E will decrease.
This negative feedback mechanism enables DMZ1015E/ DMX1015E to reach a stable thermal equilibrium state.
Ultra-high threshold voltage depletion mode MOSFET and its application were first proposed by ARK
Microelectronics Co., LTD. Design engineers can determine the applicable range of DMZ1015E/DMX1015E
according to the product specifications of DMZ1015E/DMX1015E and this application note.
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DMZ1015E/DMX1015E
Package Dimensions
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DMZ1015E/DMX1015E
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DMZ1015E/DMX1015E
Published by
ARK Microelectronics Co., Ltd.
ADD: D26,UESTC National Science Park No. 1 Shuangxing Avenue, Chengdu, Sichuan.
All Rights Reserved.
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As used herein:
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